Keep An Eye On This: How Car Key Fob Repair Is Taking Over And What Can We Do About It

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Car Key Fob Repairs

Key fobs of today are more than just a way to unlock and start vehicles. However, that added complexity can add up to costly repairs if one of them breaks.

It's a good idea to know that most fobs are powered by flat-watch-style batteries which can be easily replaced at home. You might find that a simple reset will make your fob work again.

Battery Replacement

A dead battery is the most common cause of a key fob that isn't working. It's simple to fix and worth trying before you spend money on the replacement fob. You can buy an additional button cell battery at a local auto part retailer or hardware store in the event that you already have one. You can also refer to the owner's manual (or in the case that you don't have one, YouTube is full of videos from people who show you how to do it) for specific instructions for opening and replacing the battery on the specific type of fob you have.

You'll need to gently pry apart the sides of most fobs in order to access the battery. You'll typically need a small screwdriver or another tool equipped with a thin, flat blade. It's a good idea to look for a notch along the bottom of the fob that you can use to place your tool between. It is also advisable to keep an eye out for small pieces that could come loose while you work.

Install the new battery in the same way as you removed the old one. The positive (+) side should face the buttons, while the opposite side is facing (-) the marks on the compartment for the battery.

You can push a button to test the fob. If it doesn't work, you might have a problem with your car that requires a specialist to repair or replace.

Certain key fobs can be difficult to open, and the contacts may be brittle and easily corroded. In these instances the best solution is to speak with a specialist or dealer. If you're in need of replacing a battery, try to be very gentle and adhere to the instructions that are specific to the owner's manual. You might be able to find a similar battery at a discounter or a big-box retailer, but you'll need to check the owner's manual to ensure that it's compatible with your vehicle.

Replacing the Internal Key

Most key fobs contain a physical mechanical key however, it's hidden within the fob to prevent thieves. When the battery in a fob dies, a blank key is left behind and can be used to open doors and trunks. In certain cases, this key can even start certain vehicles. A majority of people don't realize they can save a trip to a dealership by recharging the fob batteries. The flat watch-style batteries are used in most modern fobs. These batteries can be found at hardware stores and auto parts stores. The right kind of battery is important, however. A bad battery can cause damage to the circuitry and lead to the fob's failure much sooner.

If the problem persists after replacing the battery, it could be an indication that something else is going on with your vehicle. If you have an owner's guide, check to see if there is a reset option available to restore the fob's original programming. If that doesn't help, you'll need to visit a dealership or an independent shop that specializes in vehicle-security systems and fob programming.

Fobs can also fail because of faulty transmitter receivers. They are typically located on the dashboard or close to the steering wheel, and they transmit signals that allow you to open and start your car with the fob. If you're having to get closer and closer to your car to get it to work, there's a high possibility that the transmitter is not working.

It may be necessary for a professional to open the case of the fob in order to replace the transmitter. A simple screwdriver is usually enough to work, however some fobs require a specialized tool or special equipment that can only be found at a dealer. This is a job that must be handled by a certified mechanic in order to ensure that the fob is not damaged and yourself.

Reprogramming the Key

A key fob that is not working might just need an upgrade in battery. Because they are cheap and readily available in pharmacies and home improvement stores, it's the ideal first step before buying an entirely new car key fob.

You can also reprogram your key fob yourself by following the steps below. The procedure varies for different vehicle brands, so it's essential to refer to the owner's manual and research the specifics of your model. For example one key fob could require the ignition to be switched on while reprogramming the key. One key fob could require the key to be inserted multiple times.

The process is straightforward. First, ensure that the new battery is securely in place. Close all doors except the driver's door. This will ensure that the new key fob can communicate with the vehicle properly. Place the old key in the ignition and turn it ON but don't start the engine. Then, press the lock button on the fob while making sure to point it towards the transmission receiver, which is typically located in the front of the car above the mirror. In a short period of time the key will announce to the vehicle that it's being programmed by turning off the doors' locks or emitting an emitted repair car key sound. This is a difficult procedure, so pay attention to the timing and don't press too hard the button.

If the key fob does not function after reprogramming, you can try using new batteries. If the problem persists you might want to visit your local dealer or locksmith. A professional will have the tools and equipment to reprogram your car's fob or clone the key if needed.

Genesky says he's able to program newer fobs at around $200 to $250, based on the vehicle. He's experienced European models rejected because they don't have the equipment required. Most aftermarket fobs can be programmed, but you should always check with your local dealer to determine the cost.

How to get a new fob

If your key fob cannot be repaired, you might require an entirely new one. Depending on your vehicle's make and model, an auto locksmith or a dealership might be able to assist. The dealership is likely to be the most expensive option for a replacement fob, but it also has the tools and software needed to program your car properly. Many locksmiths in independent shops offer a brand new car key fob for a much lower price.

Before you purchase a new key fob, it is a good idea to try resetting your current one. The owner's manual should explain the proper procedure for reset which is typically pushing a few buttons that restores the factory settings.

It is recommended to read your owner's manual and warranty information before you decide the best place to get a key fob replacement. If your vehicle is under warranty or you have a car insurance policy or auto club membership that provides bumper-to-bumper insurance, you might be eligible for reimbursement for the cost of an entirely new fob.

Finding a fob is simple enough however, finding the right location to do it isn't easy. If you own a new car and would like the assurance with knowing that your keys fobs are in working condition, you may be better off going to the dealership for this service. If you're seeking a less expensive alternative, it's possible to find a locksmith who will provide the same service for a lower price.

If you aren't comfortable handling this type of work on your own, a professional locksmith may be a good option. They are trained and equipped to reprogram or replace the majority of car key fobs, and they can often complete the task quickly. In addition, a locksmith can often come to your workplace or home to do the job which is practical for some. They can even cut and program keys on the spot when you've lost keys, which is ideal for those who don't like to leave their cars unattended.